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MATTEL INC /DE/ Form SCHEDULE 13D — Oct 22, 2026

Form SCHEDULE 13DFiled Oct 22, 2026, 7:00 AM ET0000947871-26-000942Original filing

EdgePoint Investment Group disclosed a 17.68% stake in Mattel, Inc. (50,515,811 shares, aggregate cost about US$829.7 million), acquired through open-market purchases. On October 21, 2026, EdgePoint signed a Cooperation Agreement with Mattel under which Lee Matheson, a Partner at EdgePoint, joined the Board immediately following the departure of former CEO Ynon Kreiz, with the company committing to nominate him at the 2027 annual meeting. The agreement includes standstill and voting commitments through a cooperation period extending past the 2028 annual meeting, plus protections for EdgePoint on charter/bylaw amendments, and expires if EdgePoint's stake falls below 10%.

Key figures

Shares Owned
50515811
Percent Owned
17.68%
Sole Voting Power
36425584
Shared Voting Power
14090227
Aggregate Purchase Price
US$829,702,537
Cooperation Period Start
2026-10-21
Shares Outstanding Basis
285700000
Expense Reimbursement Cap
US$500,000

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